Memory Special: Do We Even Know What Memory is For?

The title of this post is identical to the title of a Feature Article by Alison George in the 27 October 2018 issue of the New Scientist. Readers of the healthy memory blog should know the answer, and that is for time travel. It allows us to recall what has happened or what we have learned to help us deal with the future. We can recall this information and run mental simulations of what would work in the future. Memories enable us to plan for the future.

Imaging studies of the brain show that similar patterns of brain activity underlie both remembering the past and planning for the future. We are able to generate images of scenes in our mind’s eye. Eleanor Maguire at University College London says,” If you think about it, recalling the past, imaging the future, and even spatial navigation, typically involve us constructing scene imagery. Being able to picture the past enabled us to imagine the future, and therefore plan.

If we can’t recall past events and preferences, our ability to make good decisions deteriorates. This is because during the decision-making process, the brain uses previous choices and existing knowledge to assess options and imagine how they might turn out.

Memory is also provides the basis for our relationships with others. When memory is lost in the late stages of dementia and Alzheimer’s, we no longer know who we are.

This is why the healthy memory blog is dedicated to now only maintaining memories, but to building and growing memories.

© Douglas Griffith and healthymemory.wordpress.com, 2018. Unauthorized use and/or duplication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Douglas Griffith and healthymemory.wordpress.com with appropriate and specific direction to the original content.

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